/* pe08.c -- calling functions */
#include <stdio.h>
// headers, define the functions
void one_three(void);
void two(void);
// main function
int main(void) {
  printf("starting now:\n");

  one_three(); /* call function */

  printf("done!\n");

  return 0;
}
// define the functions
void one_three(void) {
  printf("one\n");
  two(); /* call a function named two */
  printf("three\n");
}

void two(void) { printf("two\n"); }
